462 PINGUICULACEAE (BLADDERWORT FAMILY) 



long, 2 or 3 times the length of the calyx; tip of galea obtuse and straight. 

 Plains; from northern Minnesota to Colorado and westward. 



2. Orthocarpus Tolmiei H. & A. Bot. Beech. 379. 1840. Puberulent, 

 1.5-3 dm. high, loosely branched: leaves narrowly lanceolate-linear, chiefly 

 entire: bracts of the small and short spikes little dilated, often 3-cleft, the 

 upper shorter than the flowers: corolla bright yellow, 12-14 mm. long, 3 or 4 

 times longer than the calyx; minute tip of galea inflexed. Western Wyoming, 

 Utah, and Idaho. 



3. Orthocarpus purpureo-albus Gray, in Wats. Bot. King's Exp. 458. 1871. 

 Minutely pubescent, somewhat viscid, simple or branched, 1-2 dm. high: 

 leaves entire or mostly 3-cleft, filiform: bracts similar or somewhat dilated at 

 base: corolla about 18 mm. long, white, turning rose-purple, with tube twice 

 or thrice the length of the calyx; tip of galea mucroniform, inflexed. From 

 Colorado and New Mexico to Utah and Arizona. 



17. CORDYLANTHUS Nutt. 



Branching annuals, with alternate, narrow, entire or parted leaves, and 

 dull-colored flowers in small terminal clusters or sometimes scattered. Calyx 

 spathaceous, 1 or 2-leaved, uncolored as are also the bracts. Corolla tubular, 

 the lips subequal. Stamens 4; anther-cells dissimilar, ciliate or bearded at 

 base and apex; the outer one affixed by its middle; the pendulous one from 

 its upper end smaller or sometimes wanting. Style hooked at tip. 



Calyx diphyllous. 



Corolla dull yellow; plant glabrate or subscabrous . . . . 1. C. Wrightii. 



Corolla purplish; plant cinereous-puberulent . . . . . 2. C, ramosus. 



Calyx monophyllous 3. C. Kingii. 



1. Cordylanthus Wrightii Gray, Bot. Mex. Bound. 120. 1859. Loosely 

 branched, almost glabrous or puberulent-scabrous, 3-6 dm. high: leaves 

 setaceous-filiform, 3-5-parted ; floral similar, the tips not dilated : flowers sev- 

 eral in the mostly dense terminal heads: corolla purplish, 25 mm. long, with 

 rather long lips: anthers villous. Probably reaching southern Colorado from 

 New Mexico and Texas. 



2. Cordylanthus ramosus Nutt. Benth. in DC. Prodr. 10: 597 1846. 

 Cinereous-puberulent, 1-2 dm. high, diffusely much branched: leaves filiform, 

 all but the lower usually 3-7-parted: flowers few in the small terminal heads, 

 or in the upper axils: corolla dull yellow, about 12mm. long. Desert areas; 

 Wyoming to Nevada and Oregon. 



3. Cordylanthus Kingii Wats. Bot. King's Exp. 233. 1871. Viscid-pubes- 

 cent or villous, diffusely branched, 2-3 dm. high: leaves 3-5 cm. long, mostly 

 3-5-parted into linear-filiform divisions: flowers glomerate, sessile in the axil 

 of a clasping leaf or bract, or scattered at the summits of the slender branch- 

 lets: corolla purplish, about 2 cm. long. Southwestern Colorado to Nevada. 



105. PINGUICULACEAE Dumort. BLADDERWORT FAMILY 



Small herbs (growing in water or wet places), with a 2-lipped calyx, a 

 2-lipped corolla, 2 stamens with (confluently) 1-celled anthers, and a 1-celled 

 ovary with a free central placenta bearing several seeds. Corolla deeply 

 2-lipped, the lower lip larger, 3-lobed and with a prominent palate, spurred 

 at the base in front; the palate usually bearded. Ovary free; style very short 

 or none; stigma 1-2-lipped. Capsule often bursting irregularly. Scapes 1- 

 few-flowered. 



1. UTRICULARIA L. BLADDERWORT 



Aquatic and immersed, with capillary-dissected leaves bearing little blad- 

 ders, which float the plant at the time of flowering; or rooting in the mud, 



